TaskScheduler: Change Sequence::PeekTask to Sequence::TakeTask.

base/task_scheduler/scheduler_worker_stack_unittest.cc

Index: base/task_scheduler/scheduler_worker_stack_unittest.cc
diff --git a/base/task_scheduler/scheduler_worker_stack_unittest.cc b/base/task_scheduler/scheduler_worker_stack_unittest.cc
index c56bc8a063c55e0f776e0d7dcc785155a8a23d7b..f783e111abdc361b002d312975123b8f3ec70d75 100644
--- a/base/task_scheduler/scheduler_worker_stack_unittest.cc
+++ b/base/task_scheduler/scheduler_worker_stack_unittest.cc
@@ -27,7 +27,8 @@ class MockSchedulerWorkerDelegate : public SchedulerWorker::Delegate {
   scoped_refptr<Sequence> GetWork(SchedulerWorker* worker) override {
     return nullptr;
   }
-  void DidRunTask(const Task* task, const TimeDelta& task_latency) override {
+  void DidRunTask(TaskPriority task_priority,
+                  const TimeDelta& task_latency) override {
     ADD_FAILURE() << "Unexpected call to DidRunTask()";
   }
   void ReEnqueueSequence(scoped_refptr<Sequence> sequence) override {